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Merge pull request #138 from matrix-org/rav/update_rr_semantics

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Tweaks to the semantics for sending RRs and handling room switches
This commit is contained in:
Richard van der Hoff 2016-02-04 17:42:15 +01:00
commit 5ae532dae2
1 changed files with 24 additions and 5 deletions
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29
src/components/structures/RoomView.js
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@ -252,6 +252,8 @@ module.exports = React.createClass({
} else {
this.refs.messagePanel.scrollToBottom();
}
this.sendReadReceipt();
});
});
},
@ -631,9 +633,6 @@ module.exports = React.createClass({
_initialiseMessagePanel: function() {
var messagePanel = ReactDOM.findDOMNode(this.refs.messagePanel);
this.refs.messagePanel.initialised = true;
this.sendReadReceipt();
this.updateTint();
},
@ -1323,6 +1322,13 @@ module.exports = React.createClass({
if (!this.state.room) return;
if (!this.refs.messagePanel) return;
// we don't want to see our RR marker dropping down as we scroll
// through old history. For now, do this just by leaving the RR where
// it is until we hit the bottom of the room, though ultimately we
// probably want to keep sending RR, but hide the RR until we reach
// the bottom of the room again, or something.
if (!this.state.atEndOfLiveTimeline) return;
var currentReadUpToEventId = this.state.room.getEventReadUpTo(MatrixClientPeg.get().credentials.userId);
var currentReadUpToEventIndex = this._indexForEventId(currentReadUpToEventId);
@ -1510,7 +1516,9 @@ module.exports = React.createClass({
// get the current scroll position of the room, so that it can be
// restored when we switch back to it.
//
// This returns an object with the following properties:
// If there is no special scroll state (ie, we are following the live
// timeline), returns null. Otherwise, returns an object with the following
// properties:
//
// focussedEvent: the ID of the 'focussed' event. Typically this is the
// last event fully visible in the viewport, though if we have done
@ -1519,12 +1527,23 @@ module.exports = React.createClass({
// pixelOffset: the number of pixels the window is scrolled down from
// the focussedEvent.
//
// If there are no visible events, returns null.
//
getScrollState: function() {
var messagePanel = this.refs.messagePanel;
if (!messagePanel) return null;
// if we're following the live timeline, we want to return null; that
// means that, if we switch back, we will jump to the read-up-to mark.
//
// That should be more intuitive than slavishly preserving the current
// scroll state, in the case where the room advances in the meantime
// (particularly in the case that the user reads some stuff on another
// device).
//
if (this.state.atEndOfLiveTimeline) {
return null;
}
var scrollState = messagePanel.getScrollState();
if (scrollState.stuckAtBottom) {